i.MX ProcessorsのトピックRe: RT1021 Use the sample program 'edma_rb_transfer',EDMA_GetRemainingMajorLoopCount() return 0

i.MX ProcessorsのトピックRe: RT1021 Use the sample program 'edma_rb_transfer',EDMA_GetRemainingMajorLoopCount() return 0 https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1775647#M217473 <P>Hello Pavel,</P><P>Any update on this issue? We are also concerned.</P><P>Thank you in advance.</P><P>Regards</P> Fri, 15 Dec 2023 15:15:32 GMT pierre_denis 2023-12-15T15:15:32Z RT1021 Use the sample program 'edma_rb_transfer',EDMA_GetRemainingMajorLoopCount() return 0 https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1594418#M201124 <P><FONT>Use the sample program 'edma_rb_transfer'</FONT>  <FONT>EXAMPLE_LPUART_IRQHandler().</FONT></P><UL><LI><P>The emergence of probability <FONT face=""PingFang SC","Segoe UI",Arial,"Microsoft YaHei",微软雅黑,宋体,"Malgun Gothic",sans-serif" color="#002000">EDMA_GetRemainingMajorLoopCount() return 0</FONT>,</P><UL><LI><P>Data receiving is abnormal.</P></LI><LI> </LI><LI><FONT face=""PingFang SC","Segoe UI",Arial,"Microsoft YaHei",微软雅黑,宋体,"Malgun Gothic",sans-serif" color="#002000"><SPAN><SPAN>What are the reasons that cause it to return 0?</SPAN></SPAN><SPAN><SPAN> How can you avoid this problem?</SPAN></SPAN></FONT></LI><LI><P>The problem is probabilistic.</P></LI><LI> </LI><LI><P> </P><UL><LI><DIV><FONT face=""PingFang SC","Segoe UI",Arial,"Microsoft YaHei",微软雅黑,宋体,"Malgun Gothic",sans-serif" color="#002000">void EXAMPLE_LPUART_IRQHandler(void)<BR />{<BR />    uint32_t status            = LPUART_GetStatusFlags(EXAMPLE_LPUART);<BR />    uint32_t enabledInterrupts = LPUART_GetEnabledInterrupts(EXAMPLE_LPUART);<BR /> portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;<BR />    /* If new data arrived. */<BR />    if ((0U != ((uint32_t)kLPUART_IdleLineFlag & status)) &&<BR />        (0U != ((uint32_t)kLPUART_IdleLineInterruptEnable & enabledInterrupts)))<BR />    {<BR />        (void)LPUART_ClearStatusFlags(EXAMPLE_LPUART, kLPUART_IdleLineFlag);<BR />        isIdleLineDetected = true;<BR />        receivedBytes      = EXAMPLE_RING_BUFFER_SIZE -<BR />                        EDMA_GetRemainingMajorLoopCount(EXAMPLE_LPUART_DMA_BASEADDR, LPUART_RX_DMA_CHANNEL);<BR />        receivedBytes += (EXAMPLE_RING_BUFFER_SIZE * ringBufferFlag) - ringBufferIndex;<BR /><BR />  EXAMPLE_ReadRingBuffer(g_ringBuffer, g_rxBuffer, receivedBytes);<BR /></FONT><FONT face=""PingFang SC","Segoe UI",Arial,"Microsoft YaHei",微软雅黑,宋体,"Malgun Gothic",sans-serif" color="#002000"><BR />        if (receivedBytes > 32U)<BR />        {<BR />            __NOP();<BR />        }<BR />    }<BR />    LPUART_TransferEdmaHandleIRQ(EXAMPLE_LPUART, &g_lpuartEdmaHandle);<BR />    SDK_ISR_EXIT_BARRIER;<BR />}</FONT></DIV></LI></UL><P> </P></LI><LI><P> </P></LI></UL></LI></UL> Tue, 07 Feb 2023 06:31:58 GMT https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1594418#M201124 jzhou 2023-02-07T06:31:58Z Re: RT1021 Use the sample program 'edma_rb_transfer',EDMA_GetRemainingMajorLoopCount() return 0 https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1595218#M201203 <P>Hello, my name is Pavel, and I will be supporting your case, let me get into your case and when I have more information, I will contact you.</P> <P>Best regards,<BR />Pavel</P> Wed, 08 Feb 2023 04:39:07 GMT https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1595218#M201203 Pavel_Hernandez 2023-02-08T04:39:07Z Re: RT1021 Use the sample program 'edma_rb_transfer',EDMA_GetRemainingMajorLoopCount() return 0 https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1598515#M201466 <P><a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/196430">@Pavel_Hernandez</a> </P><P>Hi, Pavel</P><UL><LI><P>Thank you for your reply. Is there any progress on this issue?</P></LI><LI> </LI></UL> Tue, 14 Feb 2023 03:11:04 GMT https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1598515#M201466 jzhou 2023-02-14T03:11:04Z Re: RT1021 Use the sample program 'edma_rb_transfer',EDMA_GetRemainingMajorLoopCount() return 0 https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1599119#M201508 <P>Hello, sorry for the late response, I review the information and I see what you mentioned, I did a report about your comment to the SDK. </P><P>Best regards,<BR />Pavel</P> Tue, 14 Feb 2023 22:42:32 GMT https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1599119#M201508 Pavel_Hernandez 2023-02-14T22:42:32Z Re: RT1021 Use the sample program 'edma_rb_transfer',EDMA_GetRemainingMajorLoopCount() return 0 https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1775647#M217473 <P>Hello Pavel,</P><P>Any update on this issue? We are also concerned.</P><P>Thank you in advance.</P><P>Regards</P> Fri, 15 Dec 2023 15:15:32 GMT https://community.nxp.com/t5/i-MX-Processors/RT1021-Use-the-sample-program-edma-rb-transfer-EDMA/m-p/1775647#M217473 pierre_denis 2023-12-15T15:15:32Z